}
}
浏览器访问该地址

再次访问,浏览器会携带这cookie中数据去访问服务器

**获取所有Cookie**
@WebServlet(“/getCookie”)
public class GetCookieServlet extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
Cookie[] cookies = req.getCookies();
String name = null;
String age = null;
for (Cookie cookie : cookies) {
if (cookie.getName().equals("name")) {
name = cookie.getValue();
}
if (cookie.getName().equals("age")) {
age = cookie.getValue();
}
}
resp.getWriter().write("name:" + name + ", age:" + age);
}
}
浏览器访问该地址:

成功获取到所有cookie对象,cookie对象是键值对的,
一个name对应一个value
#### []( )Cookie有效期设置
设置Cookie的有效期,**默认cookie有效期关闭浏览器失效**,通过setMaxAge方法设置cookie的有效期